diff --git a/man1/memusage.1 b/man1/memusage.1
index fa1987c79..a03468442 100644
--- a/man1/memusage.1
+++ b/man1/memusage.1
@@ -247,8 +247,8 @@ main(int argc, char *argv[])
      int i, j;
      int *p;
 
-     printf("malloc: %zd\en", sizeof(int) * 100);
-     p = malloc(sizeof(int) * 100);
+     printf("malloc: %zd\en", sizeof(*p) * 100);
+     p = malloc(sizeof(*p) * 100);
 
      for (i = 0; i < CYCLES; i++) {
          if (i < CYCLES / 2)
@@ -256,11 +256,11 @@ main(int argc, char *argv[])
          else
              j--;
 
-         printf("realloc: %zd\en", sizeof(int) * (j * 50 + 110));
-         p = realloc(p, sizeof(int) * (j * 50 + 100));
+         printf("realloc: %zd\en", sizeof(*p) * (j * 50 + 110));
+         p = realloc(p, sizeof(*p) * (j * 50 + 100));
 
-         printf("realloc: %zd\en", sizeof(int) * ((j+1) * 150 + 110));
-         p = realloc(p, sizeof(int) * ((j + 1) * 150 + 110));
+         printf("realloc: %zd\en", sizeof(*p) * ((j+1) * 150 + 110));
+         p = realloc(p, sizeof(*p) * ((j + 1) * 150 + 110));
      }
 
      free(p);